... and underground rated voltage 0.6/1KV. For laying indoors, in tunnel, cable trench and a pipe, cable unable to bear external mechanical ... external mechanical force, but can't under external pressure.4.LSZH Cable's model and specificationNameTypeArea(mm2)CoresPVC insulated and coated copper ... ,4,6,10,16,25,35,50,70,95,120,150,185,240,3003+13+24+1 LSZH Power Cable YJV 1*4.0 ...